CyberRota Analysis
This is a high severity vulnerability with a CVSS score of 8.8. Public exploit code or proof-of-concept references have been detected in its references.
Public Exploit Signal
A public exploit, PoC, GitHub repository or Metasploit reference was detected for this CVE.
Detected Signals
exploit
Note: these links are listed for security research and verification purposes only.
CVE
CVE-2026-1323
Severity
HIGH
CVSS
8.8
EPSS
0.21%
Original NVD Description
The extension fails to properly define allowed classes used when deserializing transport failure metadata. An attacker may exploit this to execute untrusted serialized code. Note that an active exploit requires write access to the directory configured at $GLOBALS['TYPO3_CONF_VARS']['MAIL']['transport_spool_filepath'].